<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form method="post" action="./login.php"> 
    你名字<input type="text" name="username" required><br>
    你密码<input type="password" name="passwor" required><br>
    <input type="submit" value="登录">     
    </form>
</body>
</html>